The Battle of Kępa Oksywska took place in the Oksywie Heights outside the Polish city of Gdynia between 10 and 19 September 1939. The battle, fought by the Polish Army and the German Wehrmacht, was part of the Polish September Campaign during World War II. It was one of the bloodiest battles of the campaign, with Polish KIA losses reaching roughly 14% of all the forces engaged.
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